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comparison perl-5.22.2/write_buildcustomize.pl @ 8045:a16537d2fe07

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<xfix> tar xf perl-5.22.2.tar.gz # Ah, whatever, I\'m doing it anyway
author HackBot
date Sat, 14 May 2016 14:54:38 +0000
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8044:711c038a7dce 8045:a16537d2fe07
1 #!./miniperl -w
2
3 use strict;
4
5 my $osname = $^O;
6 my $file = 'lib/buildcustomize.pl';
7
8 if ( @ARGV % 2 ) {
9 my $dir = shift;
10 chdir $dir or die "Can't chdir '$dir': $!";
11 unshift @INC, 'lib';
12 }
13
14 if ( @ARGV ) {
15 # Used during cross-compilation.
16 $osname = $ARGV[1];
17 }
18
19 # To clarify, this isn't the entire suite of modules considered "toolchain"
20 # It's not even all modules needed to build ext/
21 # It's just the source paths of the (minimum complete set of) modules in ext/
22 # needed to build the nonxs modules
23 # After which, all nonxs modules are in lib, which was always sufficient to
24 # allow miniperl to build everything else.
25 # Term::ReadLine is not here for building but for allowing the debugger to
26 # run under miniperl when nothing but miniperl will build :-(.
27
28 my @toolchain = qw(cpan/AutoLoader/lib
29 dist/Carp/lib
30 dist/PathTools dist/PathTools/lib
31 cpan/ExtUtils-Command/lib
32 cpan/ExtUtils-Install/lib
33 cpan/ExtUtils-MakeMaker/lib
34 cpan/ExtUtils-Manifest/lib
35 cpan/File-Path/lib
36 ext/re
37 dist/Term-ReadLine/lib
38 dist/Exporter/lib
39 ext/File-Find/lib
40 cpan/Text-Tabs/lib
41 dist/constant/lib
42 );
43
44 # Used only in ExtUtils::Liblist::Kid::_win32_ext()
45 push @toolchain, 'cpan/Text-ParseWords/lib' if $^O eq 'MSWin32';
46 push @toolchain, 'ext/VMS-Filespec/lib' if $^O eq 'VMS';
47
48 unshift @INC, @toolchain;
49 require File::Spec::Functions;
50
51 # lib must be last, as the toolchain modules write themselves into it
52 # as they build, and it's important that @INC order ensures that the partially
53 # written files are always masked by the complete versions.
54
55 my $inc = join ",\n ",
56 map { "q\0$_\0" }
57 (map {File::Spec::Functions::rel2abs($_)} (
58 # faster build on the non-parallel Win32 build process
59 $^O eq 'MSWin32' ? ('lib', @toolchain ) : (@toolchain, 'lib')
60 ));
61
62 open my $fh, '>', $file
63 or die "Can't open $file: $!";
64
65 my $error;
66
67 # If any of the system's build tools are written in Perl, then this module
68 # may well be loaded by a much older version than we are building. So keep it
69 # as backwards compatible as is easy.
70 print $fh <<"EOT" or $error = "Can't print to $file: $!";
71 #!perl
72
73 # !!!!!!! DO NOT EDIT THIS FILE !!!!!!!
74 # This file is generated by write_buildcustomize.pl.
75 # Any changes made here will be lost!
76
77 # We are miniperl, building extensions
78 # Replace the first entry of \@INC ("lib") with the list of
79 # directories we need.
80 ${\($^O eq 'MSWin32' ? '${^WIN32_SLOPPY_STAT} = 1;':'')}
81 splice(\@INC, 0, 1, $inc);
82 \$^O = '$osname';
83 __END__
84 EOT
85
86 if ($error) {
87 close $fh
88 or warn "Can't unlink $file after error: $!";
89 } else {
90 if (close $fh) {
91 do $file and exit;
92 $error = "Can't load generated $file: $@";
93 } else {
94 $error = "Can't close $file: $!";
95 }
96 }
97
98 # It's going very wrong, so try to remove the botched file.
99
100 unlink $file
101 or warn "Can't unlink $file after error: $!";
102 die $error;
103
104 # ex: set ts=8 sts=4 sw=4 et: